Full-Stack Developer or Development Team Needed for a Next-Generation STL Marketplace

We are building a next-generation international marketplace dedicated to 3D printing files (STL), combining the best features of Cults3D, Patreon, Etsy, Gumroad, and Fiverr into a single ecosystem. The goal is to create a modern, scalable, SEO-optimized platform where creators can sell STL files, offer subscription memberships, receive payments, track detailed analytics, and grow their audience. This is not a simple e-commerce website. We are looking for an experienced Full-Stack Developer or Development Team capable of building a production-ready multi-vendor marketplace from the ground up. The platform should be designed for long-term growth, high performance, excellent user experience, and future scalability. User Types Buyers Buyers must be able to: Register and create an account Purchase STL files Download purchased files Follow creators Save products to a wishlist Leave reviews Create custom project requests Creators Creators must be able to: Create professional profiles Upload STL products Sell digital files Offer subscription memberships Receive payments Track analytics and performance Administrators Administrators must be able to: Manage users Manage creators Moderate content Handle reports and copyright claims Manage marketplace commissions View global platform analytics Homepage The homepage should include: Main hero section Global search bar Trending STL files New STL releases Featured creators Top creators of the month Best-selling STL files Main categories Call-to-action for becoming a creator Creator Profiles Each creator profile should include: Profile picture Custom banner Biography Social media links Follower count Sales count Average rating STL collections Membership subscription options Profile actions: Follow Subscribe Share Follow System Users should be able to follow creators. Followers should receive notifications whenever a creator publishes: A new STL file A new collection New premium content Notifications can be both platform-based and email-based. STL Marketplace Core features: STL file uploads ZIP file uploads Product image uploads Categories Tags Advanced search Advanced filters Related products Wishlist functionality Product Pages Each product page should include: Product title Product description Product gallery STL preview Reviews and ratings Creator information Sales statistics Download statistics Available license options Actions: Buy Now Add to Wishlist Follow Creator Integrated 3D STL Viewer Users must be able to: Rotate models Zoom models Inspect STL files directly in the browser No download should be required to preview the model. Licensing System Creators should be able to offer multiple license types: Personal License Commercial License Extended Commercial License Each license can have a different price. Creator Subscription System (Patreon Style) Creators should be able to create membership subscriptions. Features: Custom monthly pricing Recurring payments Subscriber management Exclusive content access Premium STL releases Subscriber badges Creators should be able to choose: Individual file sales only Subscription model only Both simultaneously Creator Dashboard Creators should be able to: Upload products Edit products Manage pricing Manage licenses Manage subscriptions Track sales Monitor analytics Traffic Analytics & Sales Insights This is one of the most important features of the platform. Creators should have access to detailed analytics for every product and profile. Metrics should include: Product views Profile visits Downloads Sales Conversion rates Traffic sources should include: Google Search Internal Marketplace Search Instagram TikTok Facebook YouTube Reddit Direct Links External Websites Email Campaigns Analytics should be available: Daily Weekly Monthly Yearly Custom Tracking Links Creators should be able to generate custom tracking links. Examples: TikTok Link Instagram Link YouTube Link Facebook Link The platform should display: Clicks Sales Conversion Rate Revenue Generated For each individual tracking link. Rankings & Discovery Public ranking pages should include: Top Creators Top Sellers Best-Selling STL Files Trending STL Files Rising Creators Review System Star ratings Written reviews Verified purchase reviews only Custom Request Marketplace Users should be able to post custom requests. Example: "I need a custom STL bust designed." Creators should be able to: Submit proposals Offer pricing Negotiate directly This feature should function similarly to a Fiverr-style request marketplace. AI-Powered Creator Tools During product uploads, AI should assist creators by: Generating titles Generating descriptions Generating SEO tags Automatically translating content Initial languages: English Italian Spanish French German Reporting & Copyright System Users should be able to report: Copyright infringement Stolen content Illegal content Administrators should have a dedicated moderation dashboard. Payments The platform should support: One-time purchases Subscription payments Marketplace commissions Creator payouts Refund management Referral System Users and creators should be able to generate referral links. The platform should support: Referral commissions Referral rewards Referral statistics Creator referral programs This system should encourage organic platform growth. SEO Requirements The platform must be built with strong SEO foundations: SEO-friendly URLs Automatic sitemap generation Meta titles Meta descriptions Structured data (Schema) Image optimization Admin Panel Administrators must have complete control over: Users Creators Products Reports Copyright claims Marketplace commissions Payments Global analytics Membership plans Design Requirements The platform should have a modern, premium, and highly professional design. Inspirations: Cults3D Patreon Etsy Gumroad Main goals: Mobile-first experience SEO-first architecture Fast loading speeds High scalability Superior user experience compared to existing STL marketplaces Budget The budget is open for discussion and will be determined based on: Developer experience Similar projects completed Quality of the proposed solution Scalability of the architecture Estimated development timeline We are looking for the right long-term partner, not simply the lowest bid. What We Are Looking For Preference will be given to developers or teams with experience building: Multi-vendor marketplaces SaaS platforms Creator economy platforms Subscription-based platforms Digital product marketplaces Please include: Similar projects you have built Portfolio links Recommended technology stack Estimated timeline Estimated budget Suggestions for improving the platform Important This is intended to be a long-term project. We are not looking only for an MVP. We are looking for a development partner capable of building, maintaining, and continuously improving the platform over time. To confirm that you have read the full job description, please begin your proposal with the word: "Marketplace"